지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Objective: To evaluate the factors that affect torque control during anterior retraction when utilizing the C-retractor with a palatal miniplate as an exclusive source of anchorage without posterior appliances. Methods: The C-retractor was modeled using a 3-dimensional beam element (0.9-mm-diameter stainless-steel wire) attached to mesh bonding pads. Various vertical heights and 2 attachment positions for the lingual anterior retraction hooks (LARHs) were evaluated. A force of 200 g was applied from each side hook of the miniplate to the splinted segment of 6 or 8 anterior teeth. Results: During anterior retraction, an increase in the LARH vertical height increased the amount of lingual root torque and intrusion of the incisors. In particular, with increasing vertical height, the tooth
displacement pattern changed from controlled tipping to bodily displacement and then to lingual root displacement. The effects were enhanced when the LARH was located between the central and lateral incisors, as compared to when the LARH was located between the lateral incisors and canines. Conclusions: Three-dimensional lingual anterior retraction of the 6 or 8 anterior teeth can be accomplished using the palatal miniplate as the only anchorage source. Using LARHs at different heights or positions affects the quality of torque and intrusion.
displacement pattern changed from controlled tipping to bodily displacement and then to lingual root displacement. The effects were enhanced when the LARH was located between the central and lateral incisors, as compared to when the LARH was located between the lateral incisors and canines. Conclusions: Three-dimensional lingual anterior retraction of the 6 or 8 anterior teeth can be accomplished using the palatal miniplate as the only anchorage source. Using LARHs at different heights or positions affects the quality of torque and intrusion.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES
참고문헌 (30)
참고문헌 신청
Ye L, Kula KS / 2006 / Status of lingual orthodontics / World J Orthod 7:361~8
Takemoto K, Scuzzo G / 2001 / The straight-wire concept in lingual orthodontics / J Clin Orthod 35:46~52
Gorman CJ Jr / 1997 / Lingual orthodontics / Dent Clin North Am 41:111~25
Hong RK, Sohn HW / 1999 / Update on the Fujita lingual bracket / J Clin Orthod 33:136~142
Wiechmann D / 2008 / Prediction of oral discomfort and dysfunction in lingual orthodontics: a preliminary report / Am J Orthod Dentofacial Orthop 133:359~364
Takemoto K, Scuzzo G / 2001 / The straight-wire concept in lingual orthodontics / J Clin Orthod 35:46~52
Gorman CJ Jr / 1997 / Lingual orthodontics / Dent Clin North Am 41:111~25
Hong RK, Sohn HW / 1999 / Update on the Fujita lingual bracket / J Clin Orthod 33:136~142
Wiechmann D / 2008 / Prediction of oral discomfort and dysfunction in lingual orthodontics: a preliminary report / Am J Orthod Dentofacial Orthop 133:359~364
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UCI(KEPA) : I410-ECN-0101-2014-510-002357602